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Allow MapVector clients to specify the map and vector types, and add a

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clear() method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165514 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Douglas Gregor 2012-10-09 17:49:42 +00:00
parent 798290e744
commit 289c39965b
1 changed files with 8 additions and 3 deletions
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11
include/llvm/ADT/MapVector.h
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@ -26,10 +26,10 @@ namespace llvm {
/// This class implements a map that also provides access to all stored values
/// in a deterministic order. The values are kept in a std::vector and the
/// mapping is done with DenseMap from Keys to indexes in that vector.
template<typename KeyT, typename ValueT>
template<typename KeyT, typename ValueT,
typename MapType = llvm::DenseMap<KeyT, unsigned>,
typename VectorType = std::vector<std::pair<KeyT, ValueT> >>
class MapVector {
typedef llvm::DenseMap<KeyT, unsigned> MapType;
typedef std::vector<std::pair<KeyT, ValueT> > VectorType;
typedef typename VectorType::size_type SizeType;
MapType Map;
@ -63,6 +63,11 @@ public:
return Vector.empty();
}
void clear() {
Map.clear();
Vector.clear();
}
ValueT &operator[](const KeyT &Key) {
std::pair<KeyT, unsigned> Pair = std::make_pair(Key, 0);
std::pair<typename MapType::iterator, bool> Result = Map.insert(Pair);